ヨコジマコムシクイ Calamonastes fasciolatus

Long-tailed brownish warbler. In all plumages, shows heavy barring below, but this barring is obscured by a brown band across the breast of breeding males. Generally uncommon in arid, thorny savanna. Often raises its tail in wren-like fashion. Normal song is a vibrating, metallic note that is frequently repeated. Another vocalization is a repeated two-part “gid-yup.” Similar to Miombo Wren-Warbler, but has little overlap in range and separated by dusky underparts and darker eye.